Search results for: "XML declaration"

What are the best practices for outputting XML declarations in PHP to ensure XHTML conformity?

When outputting XML declarations in PHP to ensure XHTML conformity, it is important to include the correct XML declaration at the beginning of the doc...

What are common issues with PHP code causing extra spaces before the doctype declaration?

Common issues with PHP code causing extra spaces before the doctype declaration are usually related to unintended whitespace characters being output b...

What is the potential issue with including the DOCTYPE declaration in a PHP file before sending headers?

Including the DOCTYPE declaration before sending headers in a PHP file can cause an "Headers already sent" error because the DOCTYPE declaration is co...

How can the use of PHP tags and correct syntax prevent errors when including XML declarations in PHP scripts?

Using PHP tags and correct syntax is crucial when including XML declarations in PHP scripts to prevent errors. This involves properly encapsulating th...

How can the "headers already sent" error be resolved when including the DOCTYPE declaration in a PHP file?

When including the DOCTYPE declaration in a PHP file, the "headers already sent" error can be resolved by ensuring that there is no whitespace or outp...